Congratulations to @4 - the winner of Daily Jumble #6! The answer is indeed ‘merkle tree’. Daily Jumble #7 to be released tomorrow. Be sure to follow Daily Jumble (u/14207) to qualify.

https://twetch.app/t/45548fb6947aa9d5013ced2acd78ade81602ec7c45094e6abd3c0973a9e0c162